DirtyFrag-go

dirtyfrag-go 두 개의 버그. 하나의 셸. 디스크 쓰기 없음. Go 포팅 dirtyfrag CVE-2026-43284 / CVE-2026-43500. 작동 방식 요약 버그 클래스는 Linux 커널 XFRM 서브시스템에 있습니다. 파일 페이지가 splice로 파이프로 이동되고 ESP로 암호화된 소켓으로 이동될 때, 커널은 ESP 페이로드를 소스 파일의 페이지 캐시 페이지에 직접 제자리에서 복호화합니다. 파일은 읽기 전용입니다. 페이지 캐시는 그렇지 않습니다. dirtyfrag는 이 프리미티브를 활용하는 두 개의 독립적인...

CentOS Linux 8.4 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc (CENTOS8.4:CLSA-2026:1778260666)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1778260666 advisory. - In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSGSPLICEPAGES ca...

XCP_ng_CVE-2026-43284_tester

XCP-ng Dirty Frag 진단 — CVE-2026-43284 XCP-ng dom0 호스트가 CVE-2026-43284 "Dirty Frag"에 노출되었는지 여부를 판단하는 커뮤니티 진단 도구입니다. 이 취약점은 Linux 커널의 xfrm-ESP 서브시스템에서 발생하는 로컬 권한 상승 취약점입니다. TL;DR — 모든 현재 XCP-ng 릴리스8.1, 8.2, 8.3는 기본 4.19 dom0 커널을 사용하여 취약한 코드 범위에 포함됩니다. 2026년 5월 기준 공식 XCP-ng 패치는 발표되지 않았습니다. 이 도구는 호스트...

CentOS Linux 8 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc (CENTOS-STREAM8:CLSA-2026:1778839666)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1778839666 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: skbuff: preserve shared-frag marker during coalescing...

CVE-2026-31431

CVE-2026-31431 구조 . ├── container │ ├── container.md 容器逃逸的思路 │ ├── expenv 容器环境 │ │ ├── bin │ │ │ ├── gscontainer │ │ │ └── share │ │ ├── Dockerfile │ │ ├── run.sh │ │ └── src │ │ ├── gscontainer.c │ │ └── share.c │ ├── images │ │ ├── container.png │ ...

rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present (CVE-2026-43500)

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present The DATA-packet handler in rxrpcinputcallevent and the RESPONSE handler in rxrpcverifyresponse copy the skb to a linear one before calling into the security o...

A flaw was found in the Linux kernel's XFRM ESP-in-TCP subsystem

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: preserve shared-frag marker during coalescing skbtrycoalesce can attach paged frags from @from to @to. If @from has SKBFLSHAREDFRAG set, the resulting @to skb can contain the same externally-owned or page-cache-backe...

CVE-2026-46000

A flaw was found in the Linux kernel's rxrpc component. Security operations that decrypt RESPONSE packets in place may share the socket buffer skbuff with a packet sniffer. This could allow a local attacker or an attacker with network access to intercept and view decrypted portions of these...

PT-2026-43867

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the rxrpc component regarding connection-level packet handling. Security operations that verify RESPONSE packets decrypt portions of the data in place. If the sk buff...

CVE-2026-43503

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through frag-transfer helpers Two frag-transfer helpers pskbcopyfclone and skbshift fail to propagate the SKBFLSHAREDFRAG bit in skbshinfo-flags when moving frags from source to...

EUVD-2026-31536

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through frag-transfer helpers Two frag-transfer helpers pskbcopyfclone and skbshift fail to propagate the SKBFLSHAREDFRAG bit in skbshinfo-flags when moving frags from source to...

CVE-2026-43503

The CVE-2026-43503 entry concerns Linux kernel net/skbuff handling: when frags are moved by frag-transfer helpers (notably __pskb_copy_fclone() and skb_shift()), the SKBFL_SHARED_FRAG flag was not propagated to the destination skb, causing destination pages to remain shared while skb_has_shared_f...

PT-2026-42878

Name of the Vulnerable Software and Affected Versions Linux Kernel versions 7.1-rc1 through 7.1-rc4 Description A local privilege escalation issue exists in the networking stack skbuff due to the improper propagation of the SKBFL SHARED FRAG flag during fragment transfers. Several functions and...

SUSE-SU-2026:21774-1 Security update for the Linux Kernel RT (Live Patch 2 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.7.1 fixes one security issue The following security issue was fixed: - CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags bsc1264459...

SUSE-SU-2026:1959-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache bsc1264013. - CVE-2026-46300: net: skbuff: propagate shared-frag marker...

SUSE-SU-2026:21806-1 Security update for the Linux Kernel (Live Patch 3 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.8.1 fixes one security issue The following security issue was fixed: - CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags bsc1264459...

SUSE-SU-2026:1904-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache bsc1264013. - CVE-2026-46300: net: skbuff: propagate shared-frag marker...

SUSE-SU-2026:21708-1 Security update for the Linux Kernel RT (Live Patch 7 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-30.1 fixes one security issue The following security issue was fixed: - CVE-2026-43284: xfrm: esp: avoid in-place decrypt on shared skb frags bsc1264459...

TencentOS Server 3: kernel (TSSA-2026:0316)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0316 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

AZL-86366 CVE-2026-43500 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present The DATA-packet handler in rxrpcinputcallevent and the RESPONSE handler in rxrpcverifyresponse copy the skb to a linear one before calling into the security o...